Files
llgo/x/async/async.go
2024-09-07 09:45:05 +08:00

62 lines
1.4 KiB
Go

/*
* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package async
import (
"unsafe"
_ "unsafe"
"github.com/goplus/llgo/c/libuv"
)
type Void = [0]byte
type Future[T any] func(func(T))
type asyncBind[T any] struct {
libuv.Async
result T
chain func(T)
}
func asyncCb[T any](a *libuv.Async) {
a.Close(nil)
aa := (*asyncBind[T])(unsafe.Pointer(a))
aa.chain(aa.result)
}
func Async[T any](fn func(func(T))) Future[T] {
return func(chain func(T)) {
loop := Exec().L
// var result T
// var a *libuv.Async
// var cb libuv.AsyncCb
// a, cb = cbind.BindF[libuv.Async, libuv.AsyncCb](func() {
// a.Close(nil)
// chain(result)
// })
// loop.Async(a, cb)
aa := &asyncBind[T]{chain: chain}
loop.Async(&aa.Async, asyncCb[T])
fn(func(v T) {
aa.result = v
aa.Send()
})
}
}